SDR QXEA2009121601061

Service difficulty report · Governor · Bombdr DHC8402

Difficulty date: December 12, 2009
Submitted: December 16, 2009
Operation: Air carrier
Aircraft: N427QX
Make and model: Bombdr DHC8402
Aircraft serial: 4156
Aircraft time: 6,767 hours, 7,324 cycles
Engine: Pwc PW150A
Propeller: Dowty R4086123F17
System (JASC): 6120 · Propeller Controlling System
Part: Governor
Part number: 697072004
Part serial: DAP0148
Condition: Malfunctioned
Location: Overspeed
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER START, NR 1 PROP RPM IS SLOW TO COME OUT OF FEATHER (15-20 SECONDS). UPON CDS CODE RETRIVAL FOUND, (CODE 132) FOR PROP 1. IAW FIM TROUBLE SHOOTING, REMOVED AND REPLACED OVERSPEED GOVERNOR IAW AMM TASK'S 61-20-26-000-801 AND 61-20-26-400-801. LEAK CHECK GOOD, OPS TEST GOOD, AND CODE DID NOT RETURN. ACFT OK FOR SERVICE.